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Reference Report
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| Citation | Yin, H., Sweeney, S., Raha, D., Snyder, M., Lin, H. (2011). A High-Resolution Whole-Genome Map of Key Chromatin Modifications in the Adult Drosophila melanogaster. PLoS Genet. 7(12): e1002380. (Export to RIS) | ||
| FlyBase ID | FBrf0217090 | ||
| Publication Type | Research paper | ||
| PubMed ID | 22194694 | ||
| PubMed Abstract | Epigenetic research has been focused on cell-type-specific regulation; less is known about common features of epigenetic programming shared by diverse cell types within an organism. Here, we report a modified method for chromatin immunoprecipitation and deep sequencing (ChIP-Seq) and its use to construct a high-resolution map of the Drosophila melanogaster key histone marks, heterochromatin protein 1a (HP1a) and RNA polymerase II (polII). These factors are mapped at 50-bp resolution genome-wide and at 5-bp resolution for regulatory sequences of genes, which reveals fundamental features of chromatin modification landscape shared by major adult Drosophila cell types: the enrichment of both heterochromatic and euchromatic marks in transposons and repetitive sequences, the accumulation of HP1a at transcription start sites with stalled polII, the signatures of histone code and polII level/position around the transcriptional start sites that predict both the mRNA level and functionality of genes, and the enrichment of elongating polII within exons at splicing junctions. These features, likely conserved among diverse epigenomes, reveal general strategies for chromatin modifications. | ||
| DOI | 10.1371/journal.pgen.1002380 | ||
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| Language of Publication | English | ||
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| Publication Type | Journal | ||
| Abbreviation | PLoS Genet. | ||
| Title | PLoS Genetics | ||
| Publication Year | 2005- | ||
| ISBN/ISSN | 1553-7404 1553-7390 | ||
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Data from Reference
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| Genes (5)
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| Natural transposons (2)
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